Pdfium: Fix fonts leaking on ClosePage.

core/fxge/apple/fx_quartz_device.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fxcrt/include/fx_ext.h"
 
 #ifndef _SKIA_SUPPORT_
 #include "core/fxge/agg/fx_agg_driver.h"
 #endif
 
 #include "core/fxcrt/include/fx_memory.h"
 #include "core/fxge/dib/dib_int.h"
 #include "core/fxge/ge/fx_text_int.h"
-#include "core/fxge/include/cfx_fontcache.h"
 #include "core/fxge/include/cfx_gemodule.h"
 #include "core/fxge/include/cfx_graphstatedata.h"
 #include "core/fxge/include/cfx_pathdata.h"
 #include "core/fxge/include/cfx_renderdevice.h"
 #include "core/fxge/include/fx_freetype.h"
 
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
 #include "core/fxge/apple/apple_int.h"
 #include "core/fxge/apple/cfx_quartzdevice.h"
 #ifndef CGFLOAT_IS_DOUBLE
@@ skipping 712 matching lines @@
                                             uint32_t flags,
                                             void*& handle,
                                             int blend_type) {
   return FALSE;
 }
 
 FX_BOOL CFX_QuartzDeviceDriver::CG_DrawGlyphRun(
     int nChars,
     const FXTEXT_CHARPOS* pCharPos,
     CFX_Font* pFont,
-    CFX_FontCache* pCache,
     const CFX_Matrix* pGlyphMatrix,
     const CFX_Matrix* pObject2Device,
     FX_FLOAT font_size,
     uint32_t argb) {
   if (nChars == 0)
     return TRUE;
 
   CQuartz2D& quartz2d =
       static_cast<CApplePlatform*>(CFX_GEModule::Get()->GetPlatformData())
           ->m_quartz2d;
@@ skipping 45 matching lines @@
   }
   CGContextShowGlyphsAtPositions(m_context, (CGGlyph*)glyph_indices,
                                  glyph_positions, nChars);
   RestoreState(false);
   return TRUE;
 }
 
 FX_BOOL CFX_QuartzDeviceDriver::DrawDeviceText(int nChars,
                                                const FXTEXT_CHARPOS* pCharPos,
                                                CFX_Font* pFont,
-                                               CFX_FontCache* pCache,
                                                const CFX_Matrix* pObject2Device,
                                                FX_FLOAT font_size,
                                                uint32_t color) {
   if (!pFont || !m_context)
     return FALSE;
 
   FX_BOOL bBold = pFont->IsBold();
   if (!bBold && pFont->GetSubstFont() &&
       pFont->GetSubstFont()->m_Weight >= 500 &&
       pFont->GetSubstFont()->m_Weight <= 600) {
     return FALSE;
   }
   SaveState();
   CGContextSetTextDrawingMode(m_context, kCGTextFillClip);
   FX_BOOL ret = FALSE;
   int32_t i = 0;
   while (i < nChars) {
     if (pCharPos[i].m_bGlyphAdjust || font_size < 0) {
       if (i > 0) {
-        ret = CG_DrawGlyphRun(i, pCharPos, pFont, pCache, nullptr,
-                              pObject2Device, font_size, color);
+        ret = CG_DrawGlyphRun(i, pCharPos, pFont, nullptr, pObject2Device,
+                              font_size, color);
         if (!ret) {
           RestoreState(false);
           return ret;
         }
       }
       const FXTEXT_CHARPOS* char_pos = pCharPos + i;
       CFX_Matrix glphy_matrix;
       if (font_size < 0) {
         glphy_matrix.Concat(-1, 0, 0, -1, 0, 0);
       }
       if (char_pos->m_bGlyphAdjust) {
         glphy_matrix.Concat(
             char_pos->m_AdjustMatrix[0], char_pos->m_AdjustMatrix[1],
             char_pos->m_AdjustMatrix[2], char_pos->m_AdjustMatrix[3], 0, 0);
       }
-      ret = CG_DrawGlyphRun(1, char_pos, pFont, pCache, &glphy_matrix,
-                            pObject2Device, font_size, color);
+      ret = CG_DrawGlyphRun(1, char_pos, pFont, &glphy_matrix, pObject2Device,
+                            font_size, color);
       if (!ret) {
         RestoreState(false);
         return ret;
       }
       i++;
       pCharPos += i;
       nChars -= i;
       i = 0;
     } else {
       i++;
     }
   }
   if (i > 0) {
-    ret = CG_DrawGlyphRun(i, pCharPos, pFont, pCache, nullptr, pObject2Device,
+    ret = CG_DrawGlyphRun(i, pCharPos, pFont, nullptr, pObject2Device,
                           font_size, color);
   }
   RestoreState(false);
   return ret;
 }
 
 void CFX_QuartzDeviceDriver::setStrokeInfo(const CFX_GraphStateData* graphState,
                                            FX_ARGB argb,
                                            FX_FLOAT lineWidth) {
   if (!graphState)
@@ skipping 167 matching lines @@
   if ((uint8_t)format < 32) {
     return FALSE;
   }
   std::unique_ptr<CFX_DIBitmap> pBitmap(new CFX_DIBitmap);
   if (!pBitmap->Create(width, height, format))
     return FALSE;
   m_bOwnedBitmap = TRUE;
   return Attach(pBitmap.release());
 }
 #endif  // _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_